{"id":4090,"date":"2019-04-02T14:57:30","date_gmt":"2019-04-02T12:57:30","guid":{"rendered":"https:\/\/millistream.com\/?p=4090"},"modified":"2019-08-07T11:36:48","modified_gmt":"2019-08-07T09:36:48","slug":"millistream-data-feed-api-mdf-version-1-0-23-released","status":"publish","type":"post","link":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/","title":{"rendered":"Millistream Data Feed API (MDF) version 1.0.23 released"},"content":{"rendered":"<p>Millistream is pleased to announce the release of version 1.0.23 of our open source Data Feed API.<\/p>\n<ul>\n<li>updated mdf_fields.h to the latest version (9 new fields)<\/li>\n<li>one new message MDF_M_MAPPINGS<\/li>\n<li>various performance improvements for both encoding and decoding<\/li>\n<li>uses the EVP functions from OpenSSL for major performance improvements when encrypting, decrypting and hashing data on systems with a AES-NI compatible CPU<\/li>\n<li>new function: mdf_message_set_utf8_validation() to enable\/disable the costly UTF-8 validation performed by mdf_message_add_string() and mdf_message_add_string2()<\/li>\n<li>new function: mdf_message_add_string2() for adding strings with a predetermined length<\/li>\n<\/ul>\n<p>As usual this version of MDF is binary compatible with previous versions, so there is no need to recompile client applications, so users (including users of the Java JNI wrapper) can simply upgrade by replacing the libmdf file itself.<\/p>\n<p>MDF 1.0.23 is available for download from the following locations:<\/p>\n<ul>\n<li>Windows: <a href=\"https:\/\/packages.millistream.com\/Windows\/libmdf-1.0.23.exe\">https:\/\/packages.millistream.com\/Windows\/libmdf-1.0.23.exe<\/a><\/li>\n<li>macOS: <a href=\"https:\/\/packages.millistream.com\/macOS\/libmdf-1.0.23.pkg\">https:\/\/packages.millistream.com\/macOS\/libmdf-1.0.23.pkg<\/a><\/li>\n<li>Red Hat \/ CentOS: <a href=\"https:\/\/packages.millistream.com\/rpm\/\">https:\/\/packages.millistream.com\/rpm\/<\/a><\/li>\n<li>Debian \/ Ubuntu: <a href=\"https:\/\/packages.millistream.com\/apt\/\">https:\/\/packages.millistream.com\/apt\/<\/a><\/li>\n<li>Source code: <a href=\"https:\/\/packages.millistream.com\/source\/libmdf-1.0.23.tar.gz\">https:\/\/packages.millistream.com\/source\/libmdf-1.0.23.tar.gz<\/a><\/li>\n<li>Documentation: <a href=\"ftp:\/\/ftp.millistream.com\/documents\/\">ftp:\/\/ftp.millistream.com\/documents\/<\/a><\/li>\n<\/ul>\n<p>Linux users who have added our apt or yum repositories can upgrade by simply issuing:<\/p>\n<ul>\n<li>Debian\/Ubuntu: &#8220;<code>apt-get update &amp;&amp; apt-get upgrade<\/code>&#8220;<\/li>\n<li>Red Hat\/CentOS\/Amazon Linux AMI: &#8220;<code>yum upgrade<\/code>&#8220;<\/li>\n<\/ul>\n<p>Information on how to add these repositories are available at<br \/>\n<a href=\"ftp:\/\/ftp.millistream.com\/binaries\/linux\/\">ftp:\/\/ftp.millistream.com\/binaries\/linux\/<\/a><\/p>\n<p>And as usual, if you have any questions what so ever regarding this release or other things, don&#8217;t hesitate to contact us at <a href=\"mailto:tech@millistream.com\">tech@millistream.com<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Millistream is pleased to announce the release of version 1.0.23 of our open source Data Feed API. updated mdf_fields.h to the latest version (9 new fields) one new message MDF_M_MAPPINGS various performance improvements for both encoding and decoding uses the EVP functions from OpenSSL for major performance improvements when encrypting, decrypting and hashing data on [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[56],"class_list":["post-4090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology-news","tag-latest"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Millistream Data Feed API (MDF) version 1.0.23 released - Millistream<\/title>\n<meta name=\"description\" content=\"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Millistream Data Feed API (MDF) version 1.0.23 released - Millistream\" \/>\n<meta property=\"og:description\" content=\"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/\" \/>\n<meta property=\"og:site_name\" content=\"Millistream\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-02T12:57:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-08-07T09:36:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"23\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Henrik Holst\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Henrik Holst\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/\"},\"author\":{\"name\":\"Henrik Holst\",\"@id\":\"https:\\\/\\\/millistream.com\\\/#\\\/schema\\\/person\\\/2077820af732fc051625b0872602d531\"},\"headline\":\"Millistream Data Feed API (MDF) version 1.0.23 released\",\"datePublished\":\"2019-04-02T12:57:30+00:00\",\"dateModified\":\"2019-08-07T09:36:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/\"},\"wordCount\":269,\"image\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/millistream.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/Millistream-highres-300x23.png\",\"keywords\":[\"latest\"],\"articleSection\":[\"Technology News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/\",\"url\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/\",\"name\":\"Millistream Data Feed API (MDF) version 1.0.23 released - Millistream\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/millistream.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/Millistream-highres-300x23.png\",\"datePublished\":\"2019-04-02T12:57:30+00:00\",\"dateModified\":\"2019-08-07T09:36:48+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/#\\\/schema\\\/person\\\/2077820af732fc051625b0872602d531\"},\"description\":\"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#primaryimage\",\"url\":\"https:\\\/\\\/millistream.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/Millistream-highres-300x23.png\",\"contentUrl\":\"https:\\\/\\\/millistream.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/Millistream-highres-300x23.png\",\"width\":300,\"height\":23},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/millistream.com\\\/index.php\\\/millistream-data-feed-api-mdf-version-1-0-23-released\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/millistream.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Millistream Data Feed API (MDF) version 1.0.23 released\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/millistream.com\\\/#website\",\"url\":\"https:\\\/\\\/millistream.com\\\/\",\"name\":\"Millistream\",\"description\":\"A Modern Market Data Company\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/millistream.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/millistream.com\\\/#\\\/schema\\\/person\\\/2077820af732fc051625b0872602d531\",\"name\":\"Henrik Holst\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g\",\"caption\":\"Henrik Holst\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Millistream Data Feed API (MDF) version 1.0.23 released - Millistream","description":"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/","og_locale":"en_US","og_type":"article","og_title":"Millistream Data Feed API (MDF) version 1.0.23 released - Millistream","og_description":"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.","og_url":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/","og_site_name":"Millistream","article_published_time":"2019-04-02T12:57:30+00:00","article_modified_time":"2019-08-07T09:36:48+00:00","og_image":[{"width":300,"height":23,"url":"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png","type":"image\/png"}],"author":"Henrik Holst","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Henrik Holst","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#article","isPartOf":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/"},"author":{"name":"Henrik Holst","@id":"https:\/\/millistream.com\/#\/schema\/person\/2077820af732fc051625b0872602d531"},"headline":"Millistream Data Feed API (MDF) version 1.0.23 released","datePublished":"2019-04-02T12:57:30+00:00","dateModified":"2019-08-07T09:36:48+00:00","mainEntityOfPage":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/"},"wordCount":269,"image":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#primaryimage"},"thumbnailUrl":"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png","keywords":["latest"],"articleSection":["Technology News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/","url":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/","name":"Millistream Data Feed API (MDF) version 1.0.23 released - Millistream","isPartOf":{"@id":"https:\/\/millistream.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#primaryimage"},"image":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#primaryimage"},"thumbnailUrl":"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png","datePublished":"2019-04-02T12:57:30+00:00","dateModified":"2019-08-07T09:36:48+00:00","author":{"@id":"https:\/\/millistream.com\/#\/schema\/person\/2077820af732fc051625b0872602d531"},"description":"Financial market data from exchanges like Nasdaq, NYSE, Deutsche B\u00f6rse and London Stock Exchange. Real time and delayed via feed API:s and widgets.","breadcrumb":{"@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#primaryimage","url":"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png","contentUrl":"https:\/\/millistream.com\/wp-content\/uploads\/2017\/05\/Millistream-highres-300x23.png","width":300,"height":23},{"@type":"BreadcrumbList","@id":"https:\/\/millistream.com\/index.php\/millistream-data-feed-api-mdf-version-1-0-23-released\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/millistream.com\/"},{"@type":"ListItem","position":2,"name":"Millistream Data Feed API (MDF) version 1.0.23 released"}]},{"@type":"WebSite","@id":"https:\/\/millistream.com\/#website","url":"https:\/\/millistream.com\/","name":"Millistream","description":"A Modern Market Data Company","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/millistream.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/millistream.com\/#\/schema\/person\/2077820af732fc051625b0872602d531","name":"Henrik Holst","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1653ab5521e33f89270afb16c1767dd4b4c8c0a1157fd2f32314338b33624e1c?s=96&d=mm&r=g","caption":"Henrik Holst"}}]}},"_links":{"self":[{"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/posts\/4090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/comments?post=4090"}],"version-history":[{"count":2,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/posts\/4090\/revisions"}],"predecessor-version":[{"id":4093,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/posts\/4090\/revisions\/4093"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/media\/3595"}],"wp:attachment":[{"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/media?parent=4090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/categories?post=4090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/millistream.com\/index.php\/wp-json\/wp\/v2\/tags?post=4090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}